Boom
Listed as "Boom - Single Product Shopify Theme"
Boom is a Shopify theme by designthemes ($59). Tested on 2026-09-12 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 61 for mobile speed and 83 for desktop speed, 61/61 for SEO and 98/98 for accessibility (mobile/desktop, 0–100). On its marketplace it is rated 4.9 out of 5 from 105 reviews.
Mobile61
Desktop83
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 61 | 83 |
| SEO | 61 | 61 |
| Accessibility | 98 | 98 |
| Best practices | 73 | 77 |
Single preset · measured 2 times since 2026-09-12 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Boom - Single Product Shopify Theme home page
Mobile
Speed 61 · 39 points to gain
- −25 Largest Contentful Paint medium effort
- −7.2 First Contentful Paint medium effort
- −6.7 Speed Index medium effort
- 750 ms Reduce unused CSS high effort
- 150 ms Reduce unused JavaScript high effort
SEO 61 · 39 points to gain
- −31 Page is blocked from indexing low effort
- −7.7 Document does not have a meta description low effort
Accessibility 98 · 2 points to gain
- −2.5 Document does not have a main landmark. medium effort
Best practices 73 · 27 points to gain
- −19.2 Does not use HTTPS outside the theme
- −3.8 Serves images with low resolution low effort
- −3.8 Issues were logged in the `Issues` panel in Chrome Devtools high effort
Desktop
Speed 83 · 17 points to gain
- −12 Largest Contentful Paint medium effort
- −4.5 Speed Index medium effort
- −0.6 First Contentful Paint medium effort
- 120 ms Reduce unused CSS high effort
SEO 61 · 39 points to gain
- −31 Page is blocked from indexing low effort
- −7.7 Document does not have a meta description low effort
Accessibility 98 · 2 points to gain
- −2.5 Document does not have a main landmark. medium effort
Best practices 77 · 23 points to gain
- −19.2 Does not use HTTPS outside the theme
- −3.8 Issues were logged in the `Issues` panel in Chrome Devtools high effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Boom - Single Product Shopify Theme default demo ↗ | 61 | 61 | 98 | 83 | 61 | 98 | 2026-09-12 |
| home ↗ | 61 | 61 | 98 | 83 | 61 | 98 | 2026-09-12 |
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<a href="https://themestested.com/theme/shopify/tf-boom-earpods-store-shopify-theme-28166954"><img src="https://themestested.com/badge/shopify/tf-boom-earpods-store-shopify-theme-28166954.svg" alt="Boom speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.